module.exports = minimatch
minimatch.Minimatch = Minimatch

var path = {
    sep: '/'
}
try {
    path = require('path')
} catch (er) {}

var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {}
var expand = require('brace-expansion')

var plTypes = {
    '!': {
        open: '(?:(?!(?:',
        close: '))[^/]*?)'
    },
    '?': {
        open: '(?:',
        close: ')?'
    },
    '+': {
        open: '(?:',
        close: ')+'
    },
    '*': {
        open: '(?:',
        close: ')*'
    },
    '@': {
        open: '(?:',
        close: ')'
    }
}

// any single thing other than /
// don't need to escape / when using new RegExp()
var qmark = '[^/]'

// * => any number of characters
var star = qmark + '*?'

// ** when dots are allowed.  Anything goes, except .. and .
// not (^ or / followed by one or two dots followed by $ or /),
// followed by anything, any number of times.
var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'

// not a ^ or / followed by a dot,
// followed by anything, any number of times.
var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'

// characters that need to be escaped in RegExp.
var reSpecials = charSet('().*{}+?[]^$\\!')

// "abc" -> { a:true, b:true, c:true }
function charSet(s) {
    return s.split('').reduce(function (set, c) {
        set[c] = true
        return set
    }, {})
}

// normalizes slashes.
var slashSplit = /\/+/

minimatch.filter = filter

function filter(pattern, options) {
    options = options || {}
    return function (p, i, list) {
        return minimatch(p, pattern, options)
    }
}

function ext(a, b) {
    a = a || {}
    b = b || {}
    var t = {}
    Object.keys(b).forEach(function (k) {
        t[k] = b[k]
    })
    Object.keys(a).forEach(function (k) {
        t[k] = a[k]
    })
    return t
}

minimatch.defaults = function (def) {
    if (!def || !Object.keys(def).length) return minimatch

    var orig = minimatch

    var m = function minimatch(p, pattern, options) {
        return orig.minimatch(p, pattern, ext(def, options))
    }

    m.Minimatch = function Minimatch(pattern, options) {
        return new orig.Minimatch(pattern, ext(def, options))
    }

    return m
}

Minimatch.defaults = function (def) {
    if (!def || !Object.keys(def).length) return Minimatch
    return minimatch.defaults(def).Minimatch
}

function minimatch(p, pattern, options) {
    if (typeof pattern !== 'string') {
        throw new TypeError('glob pattern string required')
    }

    if (!options) options = {}

    // shortcut: comments match nothing.
    if (!options.nocomment && pattern.charAt(0) === '#') {
        return false
    }

    // "" only matches ""
    if (pattern.trim() === '') return p === ''

    return new Minimatch(pattern, options).match(p)
}

function Minimatch(pattern, options) {
    if (!(this instanceof Minimatch)) {
        return new Minimatch(pattern, options)
    }

    if (typeof pattern !== 'string') {
        throw new TypeError('glob pattern string required')
    }

    if (!options) options = {}
    pattern = pattern.trim()

    // windows support: need to use /, not \
    if (path.sep !== '/') {
        pattern = pattern.split(path.sep).join('/')
    }

    this.options = options
    this.set = []
    this.pattern = pattern
    this.regexp = null
    this.negate = false
    this.comment = false
    this.empty = false

    // make the set of regexps etc.
    this.make()
}

Minimatch.prototype.debug = function () {}

Minimatch.prototype.make = make

function make() {
    // don't do it more than once.
    if (this._made) return

    var pattern = this.pattern
    var options = this.options

    // empty patterns and comments match nothing.
    if (!options.nocomment && pattern.charAt(0) === '#') {
        this.comment = true
        return
    }
    if (!pattern) {
        this.empty = true
        return
    }

    // step 1: figure out negation, etc.
    this.parseNegate()

    // step 2: expand braces
    var set = this.globSet = this.braceExpand()

    if (options.debug) this.debug = console.error

    this.debug(this.pattern, set)

    // step 3: now we have a set, so turn each one into a series of path-portion
    // matching patterns.
    // These will be regexps, except in the case of "**", which is
    // set to the GLOBSTAR object for globstar behavior,
    // and will not contain any / characters
    set = this.globParts = set.map(function (s) {
        return s.split(slashSplit)
    })

    this.debug(this.pattern, set)

    // glob --> regexps
    set = set.map(function (s, si, set) {
        return s.map(this.parse, this)
    }, this)

    this.debug(this.pattern, set)

    // filter out everything that didn't compile properly.
    set = set.filter(function (s) {
        return s.indexOf(false) === -1
    })

    this.debug(this.pattern, set)

    this.set = set
}

Minimatch.prototype.parseNegate = parseNegate

function parseNegate() {
    var pattern = this.pattern
    var negate = false
    var options = this.options
    var negateOffset = 0

    if (options.nonegate) return

    for (var i = 0, l = pattern.length; i < l && pattern.charAt(i) === '!'; i++) {
        negate = !negate
        negateOffset++
    }

    if (negateOffset) this.pattern = pattern.substr(negateOffset)
    this.negate = negate
}

// Brace expansion:
// a{b,c}d -> abd acd
// a{b,}c -> abc ac
// a{0..3}d -> a0d a1d a2d a3d
// a{b,c{d,e}f}g -> abg acdfg acefg
// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
//
// Invalid sets are not expanded.
// a{2..}b -> a{2..}b
// a{b}c -> a{b}c
minimatch.braceExpand = function (pattern, options) {
    return braceExpand(pattern, options)
}

Minimatch.prototype.braceExpand = braceExpand

function braceExpand(pattern, options) {
    if (!options) {
        if (this instanceof Minimatch) {
            options = this.options
        } else {
            options = {}
        }
    }

    pattern = typeof pattern === 'undefined' ?
        this.pattern : pattern

    if (typeof pattern === 'undefined') {
        throw new TypeError('undefined pattern')
    }

    if (options.nobrace ||
        !pattern.match(/\{.*\}/)) {
        // shortcut. no need to expand.
        return [pattern]
    }

    return expand(pattern)
}

// parse a component of the expanded set.
// At this point, no pattern may contain "/" in it
// so we're going to return a 2d array, where each entry is the full
// pattern, split on '/', and then turned into a regular expression.
// A regexp is made at the end which joins each array with an
// escaped /, and another full one which joins each regexp with |.
//
// Following the lead of Bash 4.1, note that "**" only has special meaning
// when it is the *only* thing in a path portion.  Otherwise, any series
// of * is equivalent to a single *.  Globstar behavior is enabled by
// default, and can be disabled by setting options.noglobstar.
Minimatch.prototype.parse = parse
var SUBPARSE = {}

function parse(pattern, isSub) {
    if (pattern.length > 1024 * 64) {
        throw new TypeError('pattern is too long')
    }

    var options = this.options

    // shortcuts
    if (!options.noglobstar && pattern === '**') return GLOBSTAR
    if (pattern === '') return ''

    var re = ''
    var hasMagic = !!options.nocase
    var escaping = false
    // ? => one single character
    var patternListStack = []
    var negativeLists = []
    var stateChar
    var inClass = false
    var reClassStart = -1
    var classStart = -1
    // . and .. never match anything that doesn't start with .,
    // even when options.dot is set.
    var patternStart = pattern.charAt(0) === '.' ? '' // anything
        // not (start or / followed by . or .. followed by / or end)
        :
        options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' :
        '(?!\\.)'
    var self = this

    function clearStateChar() {
        if (stateChar) {
            // we had some state-tracking character
            // that wasn't consumed by this pass.
            switch (stateChar) {
                case '*':
                    re += star
                    hasMagic = true
                    break
                case '?':
                    re += qmark
                    hasMagic = true
                    break
                default:
                    re += '\\' + stateChar
                    break
            }
            self.debug('clearStateChar %j %j', stateChar, re)
            stateChar = false
        }
    }

    for (var i = 0, len = pattern.length, c;
        (i < len) && (c = pattern.charAt(i)); i++) {
        this.debug('%s\t%s %s %j', pattern, i, re, c)

        // skip over any that are escaped.
        if (escaping && reSpecials[c]) {
            re += '\\' + c
            escaping = false
            continue
        }

        switch (c) {
            case '/':
                // completely not allowed, even escaped.
                // Should already be path-split by now.
                return false

            case '\\':
                clearStateChar()
                escaping = true
                continue

                // the various stateChar values
                // for the "extglob" stuff.
            case '?':
            case '*':
            case '+':
            case '@':
            case '!':
                this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c)

                // all of those are literals inside a class, except that
                // the glob [!a] means [^a] in regexp
                if (inClass) {
                    this.debug('  in class')
                    if (c === '!' && i === classStart + 1) c = '^'
                    re += c
                    continue
                }

                // if we already have a stateChar, then it means
                // that there was something like ** or +? in there.
                // Handle the stateChar, then proceed with this one.
                self.debug('call clearStateChar %j', stateChar)
                clearStateChar()
                stateChar = c
                // if extglob is disabled, then +(asdf|foo) isn't a thing.
                // just clear the statechar *now*, rather than even diving into
                // the patternList stuff.
                if (options.noext) clearStateChar()
                continue

            case '(':
                if (inClass) {
                    re += '('
                    continue
                }

                if (!stateChar) {
                    re += '\\('
                    continue
                }

                patternListStack.push({
                    type: stateChar,
                    start: i - 1,
                    reStart: re.length,
                    open: plTypes[stateChar].open,
                    close: plTypes[stateChar].close
                })
                // negation is (?:(?!js)[^/]*)
                re += stateChar === '!' ? '(?:(?!(?:' : '(?:'
                this.debug('plType %j %j', stateChar, re)
                stateChar = false
                continue

            case ')':
                if (inClass || !patternListStack.length) {
                    re += '\\)'
                    continue
                }

                clearStateChar()
                hasMagic = true
                var pl = patternListStack.pop()
                // negation is (?:(?!js)[^/]*)
                // The others are (?:<pattern>)<type>
                re += pl.close
                if (pl.type === '!') {
                    negativeLists.push(pl)
                }
                pl.reEnd = re.length
                continue

            case '|':
                if (inClass || !patternListStack.length || escaping) {
                    re += '\\|'
                    escaping = false
                    continue
                }

                clearStateChar()
                re += '|'
                continue

                // these are mostly the same in regexp and glob
            case '[':
                // swallow any state-tracking char before the [
                clearStateChar()

                if (inClass) {
                    re += '\\' + c
                    continue
                }

                inClass = true
                classStart = i
                reClassStart = re.length
                re += c
                continue

            case ']':
                //  a right bracket shall lose its special
                //  meaning and represent itself in
                //  a bracket expression if it occurs
                //  first in the list.  -- POSIX.2 2.8.3.2
                if (i === classStart + 1 || !inClass) {
                    re += '\\' + c
                    escaping = false
                    continue
                }

                // handle the case where we left a class open.
                // "[z-a]" is valid, equivalent to "\[z-a\]"
                if (inClass) {
                    // split where the last [ was, make sure we don't have
                    // an invalid re. if so, re-walk the contents of the
                    // would-be class to re-translate any characters that
                    // were passed through as-is
                    // TODO: It would probably be faster to determine this
                    // without a try/catch and a new RegExp, but it's tricky
                    // to do safely.  For now, this is safe and works.
                    var cs = pattern.substring(classStart + 1, i)
                    try {
                        RegExp('[' + cs + ']')
                    } catch (er) {
                        // not a valid class!
                        var sp = this.parse(cs, SUBPARSE)
                        re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]'
                        hasMagic = hasMagic || sp[1]
                        inClass = false
                        continue
                    }
                }

                // finish up the class.
                hasMagic = true
                inClass = false
                re += c
                continue

            default:
                // swallow any state char that wasn't consumed
                clearStateChar()

                if (escaping) {
                    // no need
                    escaping = false
                } else if (reSpecials[c] &&
                    !(c === '^' && inClass)) {
                    re += '\\'
                }

                re += c

        } // switch
    } // for

    // handle the case where we left a class open.
    // "[abc" is valid, equivalent to "\[abc"
    if (inClass) {
        // split where the last [ was, and escape it
        // this is a huge pita.  We now have to re-walk
        // the contents of the would-be class to re-translate
        // any characters that were passed through as-is
        cs = pattern.substr(classStart + 1)
        sp = this.parse(cs, SUBPARSE)
        re = re.substr(0, reClassStart) + '\\[' + sp[0]
        hasMagic = hasMagic || sp[1]
    }

    // handle the case where we had a +( thing at the *end*
    // of the pattern.
    // each pattern list stack adds 3 chars, and we need to go through
    // and escape any | chars that were passed through as-is for the regexp.
    // Go through and escape them, taking care not to double-escape any
    // | chars that were already escaped.
    for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) {
        var tail = re.slice(pl.reStart + pl.open.length)
        this.debug('setting tail', re, pl)
        // maybe some even number of \, then maybe 1 \, followed by a |
        tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) {
            if (!$2) {
                // the | isn't already escaped, so escape it.
                $2 = '\\'
            }

            // need to escape all those slashes *again*, without escaping the
            // one that we need for escaping the | character.  As it works out,
            // escaping an even number of slashes can be done by simply repeating
            // it exactly after itself.  That's why this trick works.
            //
            // I am sorry that you have to see this.
            return $1 + $1 + $2 + '|'
        })

        this.debug('tail=%j\n   %s', tail, tail, pl, re)
        var t = pl.type === '*' ? star :
            pl.type === '?' ? qmark :
            '\\' + pl.type

        hasMagic = true
        re = re.slice(0, pl.reStart) + t + '\\(' + tail
    }

    // handle trailing things that only matter at the very end.
    clearStateChar()
    if (escaping) {
        // trailing \\
        re += '\\\\'
    }

    // only need to apply the nodot start if the re starts with
    // something that could conceivably capture a dot
    var addPatternStart = false
    switch (re.charAt(0)) {
        case '.':
        case '[':
        case '(':
            addPatternStart = true
    }

    // Hack to work around lack of negative lookbehind in JS
    // A pattern like: *.!(x).!(y|z) needs to ensure that a name
    // like 'a.xyz.yz' doesn't match.  So, the first negative
    // lookahead, has to look ALL the way ahead, to the end of
    // the pattern.
    for (var n = negativeLists.length - 1; n > -1; n--) {
        var nl = negativeLists[n]

        var nlBefore = re.slice(0, nl.reStart)
        var nlFirst = re.slice(nl.reStart, nl.reEnd - 8)
        var nlLast = re.slice(nl.reEnd - 8, nl.reEnd)
        var nlAfter = re.slice(nl.reEnd)

        nlLast += nlAfter

        // Handle nested stuff like *(*.js|!(*.json)), where open parens
        // mean that we should *not* include the ) in the bit that is considered
        // "after" the negated section.
        var openParensBefore = nlBefore.split('(').length - 1
        var cleanAfter = nlAfter
        for (i = 0; i < openParensBefore; i++) {
            cleanAfter = cleanAfter.replace(/\)[+*?]?/, '')
        }
        nlAfter = cleanAfter

        var dollar = ''
        if (nlAfter === '' && isSub !== SUBPARSE) {
            dollar = '$'
        }
        var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast
        re = newRe
    }

    // if the re is not "" at this point, then we need to make sure
    // it doesn't match against an empty path part.
    // Otherwise a/* will match a/, which it should not.
    if (re !== '' && hasMagic) {
        re = '(?=.)' + re
    }

    if (addPatternStart) {
        re = patternStart + re
    }

    // parsing just a piece of a larger pattern.
    if (isSub === SUBPARSE) {
        return [re, hasMagic]
    }

    // skip the regexp for non-magical patterns
    // unescape anything in it, though, so that it'll be
    // an exact match against a file etc.
    if (!hasMagic) {
        return globUnescape(pattern)
    }

    var flags = options.nocase ? 'i' : ''
    try {
        var regExp = new RegExp('^' + re + '$', flags)
    } catch (er) {
        // If it was an invalid regular expression, then it can't match
        // anything.  This trick looks for a character after the end of
        // the string, which is of course impossible, except in multi-line
        // mode, but it's not a /m regex.
        return new RegExp('$.')
    }

    regExp._glob = pattern
    regExp._src = re

    return regExp
}

minimatch.makeRe = function (pattern, options) {
    return new Minimatch(pattern, options || {}).makeRe()
}

Minimatch.prototype.makeRe = makeRe

function makeRe() {
    if (this.regexp || this.regexp === false) return this.regexp

    // at this point, this.set is a 2d array of partial
    // pattern strings, or "**".
    //
    // It's better to use .match().  This function shouldn't
    // be used, really, but it's pretty convenient sometimes,
    // when you just want to work with a regex.
    var set = this.set

    if (!set.length) {
        this.regexp = false
        return this.regexp
    }
    var options = this.options

    var twoStar = options.noglobstar ? star :
        options.dot ? twoStarDot :
        twoStarNoDot
    var flags = options.nocase ? 'i' : ''

    var re = set.map(function (pattern) {
        return pattern.map(function (p) {
            return (p === GLOBSTAR) ? twoStar :
                (typeof p === 'string') ? regExpEscape(p) :
                p._src
        }).join('\\\/')
    }).join('|')

    // must match entire pattern
    // ending in a * or ** will make it less strict.
    re = '^(?:' + re + ')$'

    // can match anything, as long as it's not this.
    if (this.negate) re = '^(?!' + re + ').*$'

    try {
        this.regexp = new RegExp(re, flags)
    } catch (ex) {
        this.regexp = false
    }
    return this.regexp
}

minimatch.match = function (list, pattern, options) {
    options = options || {}
    var mm = new Minimatch(pattern, options)
    list = list.filter(function (f) {
        return mm.match(f)
    })
    if (mm.options.nonull && !list.length) {
        list.push(pattern)
    }
    return list
}

Minimatch.prototype.match = match

function match(f, partial) {
    this.debug('match', f, this.pattern)
    // short-circuit in the case of busted things.
    // comments, etc.
    if (this.comment) return false
    if (this.empty) return f === ''

    if (f === '/' && partial) return true

    var options = this.options

    // windows: need to use /, not \
    if (path.sep !== '/') {
        f = f.split(path.sep).join('/')
    }

    // treat the test path as a set of pathparts.
    f = f.split(slashSplit)
    this.debug(this.pattern, 'split', f)

    // just ONE of the pattern sets in this.set needs to match
    // in order for it to be valid.  If negating, then just one
    // match means that we have failed.
    // Either way, return on the first hit.

    var set = this.set
    this.debug(this.pattern, 'set', set)

    // Find the basename of the path by looking for the last non-empty segment
    var filename
    var i
    for (i = f.length - 1; i >= 0; i--) {
        filename = f[i]
        if (filename) break
    }

    for (i = 0; i < set.length; i++) {
        var pattern = set[i]
        var file = f
        if (options.matchBase && pattern.length === 1) {
            file = [filename]
        }
        var hit = this.matchOne(file, pattern, partial)
        if (hit) {
            if (options.flipNegate) return true
            return !this.negate
        }
    }

    // didn't get any hits.  this is success if it's a negative
    // pattern, failure otherwise.
    if (options.flipNegate) return false
    return this.negate
}

// set partial to true to test if, for example,
// "/a/b" matches the start of "/*/b/*/d"
// Partial means, if you run out of file before you run
// out of pattern, then that's fine, as long as all
// the parts match.
Minimatch.prototype.matchOne = function (file, pattern, partial) {
    var options = this.options

    this.debug('matchOne', {
        'this': this,
        file: file,
        pattern: pattern
    })

    this.debug('matchOne', file.length, pattern.length)

    for (var fi = 0,
            pi = 0,
            fl = file.length,
            pl = pattern.length;
        (fi < fl) && (pi < pl); fi++, pi++) {
        this.debug('matchOne loop')
        var p = pattern[pi]
        var f = file[fi]

        this.debug(pattern, p, f)

        // should be impossible.
        // some invalid regexp stuff in the set.
        if (p === false) return false

        if (p === GLOBSTAR) {
            this.debug('GLOBSTAR', [pattern, p, f])

            // "**"
            // a/**/b/**/c would match the following:
            // a/b/x/y/z/c
            // a/x/y/z/b/c
            // a/b/x/b/x/c
            // a/b/c
            // To do this, take the rest of the pattern after
            // the **, and see if it would match the file remainder.
            // If so, return success.
            // If not, the ** "swallows" a segment, and try again.
            // This is recursively awful.
            //
            // a/**/b/**/c matching a/b/x/y/z/c
            // - a matches a
            // - doublestar
            //   - matchOne(b/x/y/z/c, b/**/c)
            //     - b matches b
            //     - doublestar
            //       - matchOne(x/y/z/c, c) -> no
            //       - matchOne(y/z/c, c) -> no
            //       - matchOne(z/c, c) -> no
            //       - matchOne(c, c) yes, hit
            var fr = fi
            var pr = pi + 1
            if (pr === pl) {
                this.debug('** at the end')
                // a ** at the end will just swallow the rest.
                // We have found a match.
                // however, it will not swallow /.x, unless
                // options.dot is set.
                // . and .. are *never* matched by **, for explosively
                // exponential reasons.
                for (; fi < fl; fi++) {
                    if (file[fi] === '.' || file[fi] === '..' ||
                        (!options.dot && file[fi].charAt(0) === '.')) return false
                }
                return true
            }

            // ok, let's see if we can swallow whatever we can.
            while (fr < fl) {
                var swallowee = file[fr]

                this.debug('\nglobstar while', file, fr, pattern, pr, swallowee)

                // XXX remove this slice.  Just pass the start index.
                if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) {
                    this.debug('globstar found match!', fr, fl, swallowee)
                    // found a match.
                    return true
                } else {
                    // can't swallow "." or ".." ever.
                    // can only swallow ".foo" when explicitly asked.
                    if (swallowee === '.' || swallowee === '..' ||
                        (!options.dot && swallowee.charAt(0) === '.')) {
                        this.debug('dot detected!', file, fr, pattern, pr)
                        break
                    }

                    // ** swallows a segment, and continue.
                    this.debug('globstar swallow a segment, and continue')
                    fr++
                }
            }

            // no match was found.
            // However, in partial mode, we can't say this is necessarily over.
            // If there's more *pattern* left, then
            if (partial) {
                // ran out of file
                this.debug('\n>>> no match, partial?', file, fr, pattern, pr)
                if (fr === fl) return true
            }
            return false
        }

        // something other than **
        // non-magic patterns just have to match exactly
        // patterns with magic have been turned into regexps.
        var hit
        if (typeof p === 'string') {
            if (options.nocase) {
                hit = f.toLowerCase() === p.toLowerCase()
            } else {
                hit = f === p
            }
            this.debug('string match', p, f, hit)
        } else {
            hit = f.match(p)
            this.debug('pattern match', p, f, hit)
        }

        if (!hit) return false
    }

    // Note: ending in / means that we'll get a final ""
    // at the end of the pattern.  This can only match a
    // corresponding "" at the end of the file.
    // If the file ends in /, then it can only match a
    // a pattern that ends in /, unless the pattern just
    // doesn't have any more for it. But, a/b/ should *not*
    // match "a/b/*", even though "" matches against the
    // [^/]*? pattern, except in partial mode, where it might
    // simply not be reached yet.
    // However, a/b/ should still satisfy a/*

    // now either we fell off the end of the pattern, or we're done.
    if (fi === fl && pi === pl) {
        // ran out of pattern and filename at the same time.
        // an exact hit!
        return true
    } else if (fi === fl) {
        // ran out of file, but still had pattern left.
        // this is ok if we're doing the match as part of
        // a glob fs traversal.
        return partial
    } else if (pi === pl) {
        // ran out of pattern, still have file left.
        // this is only acceptable if we're on the very last
        // empty segment of a file with a trailing slash.
        // a/* should match a/b/
        var emptyFileEnd = (fi === fl - 1) && (file[fi] === '')
        return emptyFileEnd
    }

    // should be unreachable.
    throw new Error('wtf?')
}

// replace stuff like \* with *
function globUnescape(s) {
    return s.replace(/\\(.)/g, '$1')
}

function regExpEscape(s) {
    return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
}
